Observer-based prescribed performance consensus protocol: Finite-time dynamic event-triggered schemes

被引:3
|
作者
Huang, Panfei [1 ]
Di, Fuqiang [2 ]
Lu, Hongshi [1 ]
Xu, Jiwei [3 ]
Wang, Sixiao [4 ]
机构
[1] Northwestern Polytech Univ, Xian 710072, Shaanxi, Peoples R China
[2] Xian Modern Control Technol Res Inst, Xian 710065, Shaanxi, Peoples R China
[3] Xian Univ Posts & Telecommun, Xian 710121, Shaanxi, Peoples R China
[4] China Univ Min & Technol Beijing, Beijing 100083, Peoples R China
关键词
Event-triggered control; Finite-time control; Actuator faults; Model uncertainties; SPACECRAFT FORMATION; ATTITUDE TRACKING; DISTURBANCES;
D O I
10.1016/j.ast.2024.108931
中图分类号
V [航空、航天];
学科分类号
08 ; 0825 ;
摘要
In this paper, a novel observer-based prescribed performance finite-time dynamic event-triggered consensus controller is investigated for multi-agent systems with external disturbances, actuator faults, model uncertainties, and limited communication. Different from existing dynamic event-triggered control schemes, here a dynamic event-triggered strategy that can be applied to multiple communication channels simultaneously is proposed, which further extends the advantages of event-triggered control. In this context, three issues are the main research directions of this paper. First, a controller that does not need to be constantly updated according to the real -time estimate of the disturbance is designed. Second, a controller that guarantees the tracking errors remain in a prescribed region without continuous updates is proposed. Third, a dynamic triggering condition that will not fail under the background of the actual engineering period sampling is proposed. Simulation results illustrate the effectiveness of the proposed methods.
引用
收藏
页数:10
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